Finding the Fourth Proportional to 2,108,109.20, 2,909,191.66 and 1,141,239.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,109.20 : 2,909,191.66 = 1,141,239.47 : x
2. Step 2: Convert to fraction form
   2,108,109.20/2,909,191.66 = 1,141,239.47/x
3. Step 3: Cross multiply
   2,108,109.20x = 2,909,191.66 × 1,141,239.47
4. Step 4: Simplify right side
   2,108,109.20x = 3,320,084,330,787.76
5. Step 5: Solve for x
   x = 3,320,084,330,787.76/2,108,109.20
6. Step 6: Final answer
   x = 1,574,910.99